無源和有源濾波工程技術的比較與選用.pdf

1、江蘇大學碩士學位論文無源和有源濾波工程技術的比較與選用姓名：韓洪發(fā)申請學位級別：碩士專業(yè)：電氣工程指導教師：成立201112無源和有源濾波工程技術的比較與選用AbstractWiththewidelyuseofthepowerelectronicequipmentsandothernonlineardevices，powersystemharmonicpollutionproblemisgettingworseandworse，whic

2、hhasarousedgreatconcelTIAccordingtopowersystemharmonicanalysisanddetectiontechniqueanditshazards，thispapersummarisethecurrentpowersystemforharmonicsuppressioncommonlyusedmethod。Atpresent，astheexistingharmonicsuppressiona

3、ndreactivepowercompensationsystemdesignparametersottendependsondifferentapplications，SOtheharmonicsuppressionandreactivecompensationeffectshouldbedistinguishedfromengineeringapplicationsThus，itisnecessarytousedifferentac

4、tivefilterandpassivefiltertechnologyaccordingtothepowersystemengineeringpracticeThemainworkofthepaperis弱follows：firstlyexplainthecausesofelectricalharmonics，hazardsandcontrolmethodsandthemainpowerfiltertypes，filterprinci

5、plesandcharacteristicsaswellSecondly，introducethepassivefilterprinciple，type，featuresanddesignparameters，andsimulationandanalysisoftheactualoperation，indicatingthatinhibitionofpassiveharmonicfilterintheutilizationcharact

6、eristicsThen，introducedtheprincipleofactivepowerfilter，features，specificationsandoperatingparameters，analysisandcomparethetriangularwavecomparisonmethodandthespacevoltagevectorcontrolmethodandreasonablecontrolalgorithmsa

7、reobtainedfromthesimulationresultsAtthesametime，simulationofthethreephaseshuntactivefiltershowsthecharacteristicsofactivepowerfilterintheharmonicsuppressionandreactivecompensationAfterthattheadvantagesanddisadvantagesbet

8、weenpassivefiltersandactivefiltersareanalyzed，andthebestsuitablechoiceforharmonicsuppressionandreactivepowercompensationareshownindifferentapplicationsAtlast，describeanewharmonicsuppressionschemeandanovelconvertertransfo

9、rmerwhichcaneffectivelysuppressharmonicsonthevalvesideofthegridandreducethedesigndifficultyAlsoanalyzethenewconvertertransformerwindingwiring，voltageoffsetanglecalculation，windingratio，theharmonicsuppressionmechanismande

10、ffectiveharmonicsuppressionharmonicimpedanceofthewindingrequirementsInordertoverifythefeasibilityofharmonicsuppressionandcorrectnessoftheprogram，introducesimulationmodelbasedonthenewconvertertransformerandthetraditionalc

11、onvertertransformerofACandDCtransmissionsystemThenewmodelandtraditionalconvertertransformervalvesideandnetworksidecomparisonofcurrentresultsshowthatthenewconvertertransformerACandDCtransmissionsystemharmonicsuppressionis